3 years ago

Help please! Thank you

Mathematics

1 answer:

tatiyna3 years ago

8 0

Answer:

I hope 3/4full is the correct answer

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Solve the system substitution y= 4x + 1 and 3x+2y =13

strojnjashka [21]

Given :

${\qquad \sf \dashrightarrow y= 4x + 1 \: –––– \sf \: (i)}$

${\qquad \sf \dashrightarrow 3x + 2y = 13 \: –––– \sf \: (ii)}$

Now, Substituing the value of y in equation (ii) :

${\qquad \sf \dashrightarrow \: 3x + 2y = 13 }$

${\qquad \sf \dashrightarrow \: 3x + 2(4x + 1) = 13 }$

${\qquad \sf \dashrightarrow \: 3x + 8x + 2 = 13 }$

${\qquad \sf \dashrightarrow \: 11x + 2 = 13 }$

${\qquad \sf \dashrightarrow \: 11x = 13 - 2 }$

${\qquad \sf \dashrightarrow \: 11x = 11 }$

${\qquad \sf \dashrightarrow \: x = \dfrac{11}{11} }$

${\qquad \sf \dashrightarrow \bf \: x = 1 }$

Now, substituting the value of x in equation (i) :

${\qquad \sf \dashrightarrow y= 4x + 1}$

${\qquad \sf \dashrightarrow y= 4(1) + 1}$

${\qquad \sf \dashrightarrow y= 4 + 1}$

${\qquad \bf \dashrightarrow y= 5}$

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2 years ago

HELP ASAP!! WILL GIVE BRAINLIEST ❤️

yan [13]

Answer:

the slope is negative

Step-by-step explanation:

because they both have negative signs so that would make the line go down

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3 years ago

4. 122 - 4(6) + 1 Evaluate 112 122 - 4(6) + 1 112

san4es73 [151]

Answer:

ans=97

Step-by-step explanation:

(i)u should use BEDMAS RULE.

122-4(6)+1

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3 years ago

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defon

Your answer is 5, you use the formula for a pyramid

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4 years ago